Sympathy for death

I was quite saddened to hear of [NAME, ex. Bill]'s death. I hope that you will accept my most sincere sympathy and condolence. [NAME, ex. Bill] was such a well-liked person that it is difficult to accept that [he / she] is not with us any longer.

If there is anything I can do for you at this difficult time, please let me know.

Sincerely,